NotebookLM
by GoogleResearch assistant grounded in your own sources, with audio overviews
AI tools directory
61 AI products people actually use, by what they are for, with their pricing model.
- 15 categories
- Editorial, never paid
Free plan
Perplexity
by Perplexity AIAI answer engine that searches the web and cites sources
Consensus
by ConsensusAnswers questions from peer-reviewed research
Elicit
by ElicitSearches and summarises academic papers
Listings are editorial, not paid. Plans and prices change: check the vendor’s site.